System.Runtime.Serialization.CodeGenerator.Ldc C# (CSharp) Method

        internal void Ldc(object o)
        {
            Type valueType = o.GetType();
            if (o is Type)
            {
                Ldtoken((Type)o);
                Call(GetTypeFromHandle);
            }
            else if (valueType.GetTypeInfo().IsEnum)
            {
                if (_codeGenTrace != CodeGenTrace.None)
                    EmitSourceComment("Ldc " + o.GetType() + "." + o);
                Ldc(Convert.ChangeType(o, Enum.GetUnderlyingType(valueType), null));
            }
            else
            {
                switch (valueType.GetTypeCode())
                {
                    case TypeCode.Boolean:
                        Ldc((bool)o);
                        break;
                    case TypeCode.Char:
                        DiagnosticUtility.DebugAssert("Char is not a valid schema primitive and should be treated as int in DataContract");
                        throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(new NotSupportedException(SR.Format(SR.CharIsInvalidPrimitive)));
                    case TypeCode.SByte:
                    case TypeCode.Byte:
                    case TypeCode.Int16:
                    case TypeCode.UInt16:
                        Ldc(Convert.ToInt32(o, CultureInfo.InvariantCulture));
                        break;
                    case TypeCode.Int32:
                        Ldc((int)o);
                        break;
                    case TypeCode.UInt32:
                        Ldc((int)(uint)o);
                        break;
                    case TypeCode.UInt64:
                        Ldc((long)(ulong)o);
                        break;
                    case TypeCode.Int64:
                        Ldc((long)o);
                        break;
                    case TypeCode.Single:
                        Ldc((float)o);
                        break;
                    case TypeCode.Double:
                        Ldc((double)o);
                        break;
                    case TypeCode.String:
                        Ldstr((string)o);
                        break;
                    case TypeCode.Object:
                    case TypeCode.Decimal:
                    case TypeCode.DateTime:
                    case TypeCode.Empty:
                    default:
                        throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlObjectSerializer.CreateSerializationException(SR.Format(SR.UnknownConstantType, DataContract.GetClrTypeFullName(valueType))));
                }
            }
        }